1. the function of three-side relation is different. Sino-America relation is the axle of the triangle relation and decides the direction of triangle relation; 三边关系的作用不同，中美关系是三角关系的主轴，从根本上决定着三角关系的走向；
2. Accomplished the understanding of noun phrase based on the coordinate relation, event noun, appositive relation and quantifier structure relation. 实现了基于名词间联合结构、件类名词、词同位关系等名词短语和数量词结构的自然语言理解。
3. How to acquire the relation between the concepts and how to label the type of the conceptual relation are two basic problems of the ontology relation learning. 如何确定概念间语义关系的存在性和如何确定概念间的关系类型是本体关系学习的两个基本问题。
4. The Maxwell relation are a very important relation in thermodynamics, It provide four basic variable S , P , T , V relation. 麦式关系是热力学中非常重要的一个关系式，它给出了四个基本变量S、P、T、V的偏导数之间的关系。
5. It is suggested that the allozyme analysis is an useful molecular marker for phylogenetic reconstruction of locust at both species and population levels. 等位酶分析能较好地反映蝗虫不同物种的亲缘关系和种内不同种群之间的遗传分化程度。
